<p>The teaser, posted three weeks ago has nearly 600k comments with users offering a selection of possible answers.</p>

<p>They can&#39;t all be right.</p>

<p>&nbsp;</p>

<p><iframe allowtransparency="true" frameborder="0" height="632" scrolling="no" src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fnejib.tej1%2Fposts%2F10205775671824979&amp;width=500" style="border:none;overflow:hidden" width="500"></iframe></p>

<p style="line-height: 20.8px;">The confusion is mostly caused by users&nbsp;forgeting&nbsp;to apply&nbsp;Bodmas&nbsp;rule &ndash; Brackets, Order, Divide, Multiply, Add and Subtract &ndash; the sequence of operations of arithmetic</p>

<p>If you want to know the correct answer, and how to get it, then watch the explainer video below.&nbsp;</p>

<p><iframe allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/3QMoJVHutw8" width="560"></iframe></p>

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